Inventor
SCHIFFER WILHELM
AT8 patents
⚠️ This page may combine multiple inventors who share the name “SCHIFFER WILHELM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VOEST ALPINE AG
4 patentsUS4804408AFeb 14, 1989
A mill arrangement and a process of operating the same using off gases to refine pig iron
VOEST ALPINE AG25 citations89
US4617671AOct 14, 1986
Arrangement for producing metals, such as molten pig iron, steel pre-material and ferroalloys
VOEST ALPINE AG8 citations71
US4867787ASep 19, 1989
Mill arrangement with temporary storage vessel and a process of operating the same
VOEST ALPINE AG3 citations60
US4533385AAug 6, 1985
Method for producing metals, such as molten pig iron, steel pre-material and ferroalloys
VOEST ALPINE AG4 citations60